Corrigendum to “Lipopolysaccharides detection on a grating-coupled surface plasmon resonance smartphone biosensor” [Biosens. Bioelectron. 99 (2018) 312–317]

Jin-ling, Zhang; Khan, Imran; Zhang, Qingwen; Liu, Xiaohu; Dostálek, Jakub; Liedberg, Bo; Wang, Yi

doi:10.1016/j.bios.2017.11.056

Cited by 32 publications

(42 citation statements)

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“…NIR II emission properties of Ag 2 S QDs were merely discovered recently and the limitations of optical equipment impeded the progress in biosensor. Zhang developed low‐toxic Ag 2 S QDs as photoelectrochemically active species for a new photo electrochemical (PEC) biosensor. Ag 2 S and Ag 2 Se were investigated in order to select the better one in the PEC biosensor.…”

Section: Application Of Ag2s Qdsmentioning

confidence: 99%

Recent Advances of Low Biological Toxicity Ag₂S QDs for Biomedical Application

Chen

et al. 2018

Adv Eng Mater

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In this review, the synthesis and biomedical application of Ag 2 S quantum dots(QDs) are comprehensively summarized with a particular focus on biological imaging and nanomedicine. For the first, the authors introduce the optical properties of Ag 2 S QDs, and then, the auhtors summarize a range of synthetic methods for Ag 2 S QDs. The subsequent section provides the applications of Ag 2 S QDs in optical imaging, photoacoustic imaging, sensing, optical tracking, and photothermal therapy. Finally, the authors provide insights into the overall situation, challenges, and future directions in this field.

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Section: Application Of Ag2s Qdsmentioning

confidence: 99%

Recent Advances of Low Biological Toxicity Ag₂S QDs for Biomedical Application

Chen

et al. 2018

Adv Eng Mater

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“…In addition, this enzyme is the mostly used biorecognition element in bioanalysis mainly for specific and sensitive determination of glucose. It operates in concert with other enzymes or nanoparticles and can be immobilized on different substrates in bioreactors and biosensors . In order to fabricate reproducible biosensors for glucose the initial enzymatic activity of GOx aqueous solutions should be quantified.…”

Section: Resultsmentioning

confidence: 99%

Facile Synthesis and Characterization of Ag/Ag₂S Nanoparticles Enzymatically Grown In Situ and their Application to the Colorimetric Detection of Glucose Oxidase

et al. 2019

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This work describes a simple, fast and reproducible biochemical reaction to modulate the growth of silver/silver sulfide nanoparticles (Ag/Ag 2 S NPs) through the enzymatic activity of the glucose oxidase (GOx). This process occurs in aqueous buffered solutions at room temperature under physiological conditions with participation of inexpensive precursors. Oxidation of 1thio-β-D-glucose is catalyzed by GOx yielding hydrogen sulfide. Direct interaction between silver nitrate and enzymatically produced H 2 S in the presence of citric acid as capping agent leads to the generation of Ag/Ag 2 S NPs. UV-vis spectroscopy is employed to characterize absorbance spectra of resulting Ag/ Ag 2 S NPs with the highest signal-to-noise ratio at 385 nm. Enzymatically produced Ag/Ag 2 S NPs are characterized by TEM, XPS, DLS and XRD. This new colorimetric method was applied to the detection of enzymatic activity of GOx (LOD 0.557 μg mL-1 and linear range up to 1.5 μg mL-1). The effect of Dglucose on the read-out signal has been studied to confirm the enzymatic mechanism of this process (LOD 176.21 μM and linear range up to 1.25 mM) and was applied to the detection of glucose in human plasma.

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“…ascorbic acid (AA) and uric acid (UA) on the performance of the fabricated Tyrosinase/ PB-NiO/SPCE during dopamine detection was analysed because AA and UA present with dopamine in human serum and other real samples and show interference effect in electrochemical detection of dopamine due to presence of a nearer oxidation potential. [29,30] In order to avoid the interference from AA and UA, the electrochemical detection of dopamine was performed by chronoamperometry method at fixed potential of 0.35 V, which is the oxidation potential of dopamine for the fabricated Tyrosinase/PB-NiO/SPCE electrode. Moreover the immobilized tyrosinase enzyme was efficient in selective detection of dopamine.…”

Section: Selectivity Reusability and Shelf-life Studiesmentioning

confidence: 99%

“…[28] However its electrochemical detection is largely affected due to the presence of interfering compounds mainly ascorbic acid and uric acid. [29] Generally ascorbic acid and uric acid co-exist with dopamine in biological environment and due to nearer oxidation potential of dopamine with those interfering substances, it results poor selectivity and sensitivity during dopamine detection. [28,30] In this regards, an enzyme can be used for specific and selective detection of dopamine with enhanced sensitivity.…”

Section: Introductionmentioning

confidence: 99%

Tyrosinase‐Conjugated Prussian Blue‐Modified Nickel Oxide Nanoparticles‐Based Interface for Selective Detection of Dopamine

et al. 2017

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In this paper, we have reported fabrication of a label free dopamine biosensor with improved sensitivity and selectivity using an interface based on Prussian blue (PB) modified nickel oxide (NiO) nanoparticles (NPs) and tyrosinase enzyme conjugates. A wet chemical sol‐gel method was used to synthesize NiO NPs followed by surface modification with PB and utilized as a matrix to immobilize tyrosinase. The structural and morphological studies of the prepared NPs were conducted using X‐ray diffraction (XRD), high resolution transmission electron microscopy (HR‐TEM), Raman and UV‐Vis spectroscopy and purity of the sample was confirmed through X‐ray photoelectron spectroscopy (XPS), energy dispersive X‐ray spectroscopy (EDX) and Fourier transform infrared spectroscopy (FTIR) studies. Subsequently, the PB modified NiO NPs were deposited onto a flexible screen printed carbon electrode (SPCE) substrate and tyrosinase enzyme molecules were immobilized onto PB‐NiO NPs functionalized SPCE by covalent immobilization for selective and sensitive detection of neurotransmitter dopamine. The enzyme immobilization was confirmed through scanning electron microscopy (SEM) and FTIR studies and the fabricated electrode was used for electrochemical detection of dopamine using cyclic voltammetry and chrono‐amperometric methods. The results of the electrochemical response studies revealed high sensitivity of 60.459 μA/nanomoles in a broad detection range (0.0075‐1.5 nanomoles) with a detection limit of 3.117 picomoles, whereas sample volume was as low as 15 μL. The proposed sensor exhibited fast response time of 24 seconds; good selectivity in presence of interferents ascorbic and uric acid; descent shelf life of 50 days with excellent reusability (>30 times with 78 % residual response). The sensor was also successfully validated with spiked real serum samples.

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Corrigendum to “Lipopolysaccharides detection on a grating-coupled surface plasmon resonance smartphone biosensor” [Biosens. Bioelectron. 99 (2018) 312–317]

Cited by 32 publications

References 0 publications

Recent Advances of Low Biological Toxicity Ag₂S QDs for Biomedical Application

Recent Advances of Low Biological Toxicity Ag₂S QDs for Biomedical Application

Facile Synthesis and Characterization of Ag/Ag₂S Nanoparticles Enzymatically Grown In Situ and their Application to the Colorimetric Detection of Glucose Oxidase

Tyrosinase‐Conjugated Prussian Blue‐Modified Nickel Oxide Nanoparticles‐Based Interface for Selective Detection of Dopamine

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Corrigendum to “Lipopolysaccharides detection on a grating-coupled surface plasmon resonance smartphone biosensor” [Biosens. Bioelectron. 99 (2018) 312–317]

Cited by 32 publications

References 0 publications

Recent Advances of Low Biological Toxicity Ag2S QDs for Biomedical Application

Recent Advances of Low Biological Toxicity Ag2S QDs for Biomedical Application

Facile Synthesis and Characterization of Ag/Ag2S Nanoparticles Enzymatically Grown In Situ and their Application to the Colorimetric Detection of Glucose Oxidase

Tyrosinase‐Conjugated Prussian Blue‐Modified Nickel Oxide Nanoparticles‐Based Interface for Selective Detection of Dopamine

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Recent Advances of Low Biological Toxicity Ag₂S QDs for Biomedical Application

Recent Advances of Low Biological Toxicity Ag₂S QDs for Biomedical Application

Facile Synthesis and Characterization of Ag/Ag₂S Nanoparticles Enzymatically Grown In Situ and their Application to the Colorimetric Detection of Glucose Oxidase